妈妈准备去上班,家里只剩下四岁的女儿。妈妈不放心,反复叮嘱:“宝贝儿,我去上班了。我不在的时候,你锁好门,谁来也别开门。”“好的,妈妈。”女儿爽快地答应了。妈妈出门后依然放心不下,决定检验一下,于是就敲响了房门。“谁?”女儿稚嫩的声音问。“我们是煤气公司的,来检查煤气设备。”妈妈装出男人的声音,粗鲁地回答。一阵沉默后,屋里传出一个男低音:“您去别人家看看吧。我们家烧煤,不用煤气。” Mother is going to work, only four-year-old daughter at home. Mom did not trust, repeatedly told: “Baby, I went to work.I was not in the time, you lock the door, who do not open the door. ” “Well, my mother. ” The daughter readily agreed. Mom still feel relieved after leaving home, decided to test it, so the door knocked. “Who?” Daughter asked tender voice. “We are the gas company, to check the gas equipment. ” Mom put on a man’s voice, replied rudely. After a moment of silence, a bass was heard inside the house: "Go to someone else’s house and look at it.